[PATCH] ARM: SAMSUNG: s3c_set_clksrc returns for single parent clock.

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The function s3c_set_clksrc should return if the clksrc_clk clock has
only one possible parent clock.

Signed-of-by:  Thomas Abraham <thomas.ab@xxxxxxxxxxx>
---
 arch/arm/plat-samsung/clock-clksrc.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-samsung/clock-clksrc.c b/arch/arm/plat-samsung/clock-clksrc.c
index 33c633a..80da4c4 100644
--- a/arch/arm/plat-samsung/clock-clksrc.c
+++ b/arch/arm/plat-samsung/clock-clksrc.c
@@ -131,9 +131,10 @@ void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk *clk, bool announce)
 	u32 mask = bit_mask(clk->reg_src.shift, clk->reg_src.size);
 	u32 clksrc = 0;
 
-	if (clk->reg_src.reg)
-		clksrc = __raw_readl(clk->reg_src.reg);
+	if (!clk->reg_src.reg)
+		return;
 
+	clksrc = __raw_readl(clk->reg_src.reg);
 	clksrc &= mask;
 	clksrc >>= clk->reg_src.shift;
 
-- 
1.6.3.3

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